221200211201210 has 32 divisors (see below), whose sum is σ = 411021994747392. Its totient is φ = 85622194175040.

The previous prime is 221200211201153. The next prime is 221200211201251. The reversal of 221200211201210 is 12102112002122.

It is a super-2 number, since 2×221200211201210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8189132 + ... + 22571271.

It is an arithmetic number, because the mean of its divisors is an integer number (12844437335856).

Almost surely, 2^{221200211201210} is an apocalyptic number.

221200211201210 is a deficient number, since it is larger than the sum of its proper divisors (189821783546182).

221200211201210 is a wasteful number, since it uses less digits than its factorization.

221200211201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30783638.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221200211201210 its reverse (12102112002122), we get a palindrome (233302323203332).

The spelling of 221200211201210 in words is "two hundred twenty-one trillion, two hundred billion, two hundred eleven million, two hundred one thousand, two hundred ten".